Republican presidential candidate, Sen. Marco Rubio, speaks to reporters before a campaign event at Iowa State University, Saturday in Ames, Iowa. (AP Photo/Mary Altaffer)
Republican presidential candidate, Sen. Marco Rubio, speaks to reporters before a campaign event at Iowa State University, Saturday in Ames, Iowa. (AP Photo/Mary Altaffer) Mary Altaffer AP
Republican presidential candidate, Sen. Marco Rubio, speaks to reporters before a campaign event at Iowa State University, Saturday in Ames, Iowa. (AP Photo/Mary Altaffer) Mary Altaffer AP

Sen. Marco Rubio hopes Iowa caucuses a tipping point for political momentum

January 30, 2016 12:00 AM

UPDATED January 30, 2016 11:18 PM

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